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b502978278
Detection of the UART in use and GPIO code only apply to RPi 3 and 4. RPi 5 has a dedicated PL011 debug port. Change-Id: Iddf8aea01278e2b79b4e7c476740f1add8c419f0 Signed-off-by: Mario Bălănică <mariobalanica02@gmail.com>
35 lines
876 B
C
35 lines
876 B
C
/*
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* Copyright (c) 2015-2024, Arm Limited and Contributors. All rights reserved.
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* Copyright (c) 2024, Mario Bălănică <mariobalanica02@gmail.com>
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*
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* SPDX-License-Identifier: BSD-3-Clause
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*/
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#include <drivers/arm/pl011.h>
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#include <drivers/console.h>
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#include <drivers/rpi3/gpio/rpi3_gpio.h>
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#include <drivers/ti/uart/uart_16550.h>
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#include <platform_def.h>
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#include <rpi_shared.h>
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static bool rpi3_use_mini_uart(void)
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{
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return rpi3_gpio_get_select(14) == RPI3_GPIO_FUNC_ALT5;
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}
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int rpi3_register_used_uart(console_t *console)
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{
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rpi3_gpio_init();
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if (rpi3_use_mini_uart())
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return console_16550_register(PLAT_RPI_MINI_UART_BASE,
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0,
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PLAT_RPI_UART_BAUDRATE,
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console);
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else
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return console_pl011_register(PLAT_RPI_PL011_UART_BASE,
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PLAT_RPI_PL011_UART_CLOCK,
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PLAT_RPI_UART_BAUDRATE,
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console);
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}
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